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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[105][105];
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
fin>>a[i][j];
if(i!=j&&!a[i][j])
a[i][j]=1000000000;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k]&&a[k][j])
a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout<<a[i][j]<<" ";
fout<<"\n";
}
return 0;
}